1 #ifndef _DEDYNAMICLIBRARY_H 2 #define _DEDYNAMICLIBRARY_H 3 /*------------------------------------------------------------------------- 4 * drawElements Utility Library 5 * ---------------------------- 6 * 7 * Copyright 2014 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief Dynamic link library abstraction. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "deDefs.h" 27 28 DE_BEGIN_EXTERN_C 29 30 /* Dynamic link library. */ 31 typedef struct deDynamicLibrary_s deDynamicLibrary; 32 33 /*--------------------------------------------------------------------*//*! 34 * \brief Open dynamic library. 35 * \param fileName Name or path to dynamic library. 36 * \return Dynamic library handle, or DE_NULL on failure. 37 * 38 * This function opens and loads dynamic library to current process. 39 * If library is already loaded, its reference count will be increased. 40 *//*--------------------------------------------------------------------*/ 41 deDynamicLibrary* deDynamicLibrary_open (const char* fileName); 42 43 /*--------------------------------------------------------------------*//*! 44 * \brief Load function symbol from dynamic library. 45 * \param library Dynamic library 46 * \param symbolName Name of function symbol 47 * \return Function pointer or DE_NULL on failure 48 * \note Returned pointers will be invalidated if dynamic library is 49 * unloaded. 50 *//*--------------------------------------------------------------------*/ 51 deFunctionPtr deDynamicLibrary_getFunction (const deDynamicLibrary* library, const char* symbolName); 52 53 /*--------------------------------------------------------------------*//*! 54 * \brief Close dynamic library. 55 * \param library Dynamic library 56 * 57 * Closing library handle decrements reference count. Library is unloaded 58 * from process if reference count reaches zero. 59 *//*--------------------------------------------------------------------*/ 60 void deDynamicLibrary_close (deDynamicLibrary* library); 61 62 DE_END_EXTERN_C 63 64 #endif /* _DEDYNAMICLIBRARY_H */ 65